package no.antares.dbunit.converters

/* AlphaRemover.scala
   Copyright 2012 Tommy Skodje (http://www.antares.no)

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

import org.dbunit.dataset.Column

/** A name converter that removes initial "@" from column names
 @author Tommy Skodje
*/
class AlphaRemover( private val nextInChain: DefaultNameConverter ) extends DefaultNameConverter() {

  def this() = this( new DefaultNameConverter() );

  override def tableName( oldName: String ): String  = nextInChain.tableName( oldName );
  override def columnName( oldName: String ): String  = {
    val removed =
      if ( oldName == null )
        null
      else if ( oldName.startsWith( "@" ) )
        oldName.substring( 1 )
      else
        oldName
    nextInChain.columnName( removed )
  };

}